🇨🇳 China · Hainan
Haikou postal codes
Haikou, Hainan, has one postal code: 570000.
- Postal Codes
- 1
- Population
- 3,001,600
- Region
- Hainan
- Coordinates
- 20.0342, 110.3465
Haikou postal code
570000
No code matches.
Data: GeoNames (CC BY 4.0) and zipcodestack.
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Frequently asked questions
What is the postal code of Haikou?
Haikou has one postal code in Hainan: 570000.
How many city postal codes does Haikou have?
Our data lists 1 postal code for Haikou, China.
How do I find the exact postal code for an address in Haikou?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any postal code and can search codes by city or by radius.
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/v1/code/city documentation ZIP code API All documentation
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GET https://api.zipcodestack.com/v1/code/city?city=Haikou&country=cn
{
"query": { "city": "Haikou", "country": "cn" },
"results": ["570000", "…"]
}Free postal code tools
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